The ASTM A671 GRCC65 CL22 EFW steel pipe is an Electric Fusion Welded (EFW) pipe that conforms to the requirements of the American Society for Testing and Materials (ASTM) A671 standard. This steel pipe is typically used for low-temperature services, such as applications in the liquefied natural gas (LNG) industry.
Chemical Composition (Typical values, %):
- Carbon (C): 0.28%
- Manganese (Mn): ≤1.30%
- Phosphorus (P): ≤0.035%
- Sulfur (S): ≤0.035%
- Silicon (Si): ≤0.13%
- Nickel (Ni): ≤0.25%
- Chromium (Cr): ≤0.25%
- Molybdenum (Mo): ≤0.10%
- Titanium (Ti): ≤0.02%
Mechanical Properties (Typical values):
- Yield Strength (Minimum): ≥240 MPa (35,000 psi)
- Tensile Strength (Minimum): ≥450 MPa (65,300 psi)
- Elongation (Minimum): ≥22%
Outer Diameter and Wall Thickness:
- Outer Diameter Range: 6″ – 48″ (168.3mm – 1219.2mm)
- Wall Thickness Range: 3mm – 25mm
Manufacturer: This product is manufactured using steel plates produced by Baosteel, a renowned steel company known for providing high-quality steel products. These products are widely used in various pipeline projects and heavy structural applications.